package com.flag.liutao.common.domain;

import com.alibaba.fastjson.annotation.JSONField;
import com.flag.liutao.modules.user.domain.User;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 用户认证类
 */
@Data
@NoArgsConstructor
public class LocalUser implements UserDetails {

    private User user;

    private List<String> premissions;
    @JSONField(serialize = false)
    private List<GrantedAuthority> authorities;

    public LocalUser(User user,List<String> premissions){
        this.user = user;
        this.premissions = premissions;
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if(authorities!=null){
            return authorities;
        }else {
            authorities = premissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
            return authorities;
        }
    }

    public static User getLocalUser(){
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        LocalUser localUser = (LocalUser) authentication.getPrincipal();
        return localUser.getUser();
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
